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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another fresh winter month in Jefferson, South Carolina, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 50.2°F (10.1°C). Jefferson's January weather, with an average high temperature of 50.2°F (10.1°C) and an average low temperature of 35.2°F (1.8°C), tends to be the coldest of the year. Weather in January »
Weather in February
February, the last month of the winter in Jefferson, is another cool month, with an average temperature varying between 54.9°F (12.7°C) and 38.1°F (3.4°C). With the advent of February, Jefferson's high-temperatures adjust to a still fresh 54.9°F (12.7°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Jefferson, is an enjoyable month, with an average temperature ranging between max 61.3°F (16.3°C) and min 44.2°F (6.8°C). As Jefferson welcomes March, the average high-temperature displays a subtle shift, adjusting from a fresh 54.9°F (12.7°C) in February to a comfortable 61.3°F (16.3°C). Weather in March »
Weather in April
April in Jefferson, South Carolina, is a pleasant spring month, with an average temperature ranging between min 53.4°F (11.9°C) and max 71.6°F (22°C). In April, the average high-temperature increases from a refreshing 61.3°F (16.3°C) in March to an agreeable 71.6°F (22°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Jefferson, South Carolina, with an average temperature fluctuating between 79.3°F (26.3°C) and 61.3°F (16.3°C). Jefferson's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's pleasant 71.6°F (22°C) to a warm 79.3°F (26.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Jefferson, South Carolina, with an average temperature ranging between max 86.9°F (30.5°C) and min 68.5°F (20.3°C). Jefferson perceives a slight temperature ascent during June, with average high-temperatures adjusting from a moderately hot 79.3°F (26.3°C) in May to a tropical 86.9°F (30.5°C). Weather in June »
Weather in July
July, the same as June, in Jefferson, South Carolina, is a hot summer month, with an average temperature fluctuating between 90.1°F (32.3°C) and 72°F (22.2°C). The warmest month is July, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 72°F (22.2°C). For most parts of July, the heat index is estimated at an extremely hot 107.6°F (42°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Jefferson, South Carolina, with an average temperature fluctuating between 70.3°F (21.3°C) and 87.8°F (31°C). Jefferson's August average high-temperature settles at a still tropical 87.8°F (31°C), showing a near match with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Jefferson, South Carolina, with an average temperature varying between 82.6°F (28.1°C) and 65.1°F (18.4°C). September's average high-temperature stands at a moderately hot 82.6°F (28.1°C), showing little deviation from August's 87.8°F (31°C). Weather in September »
Weather in October
October, the same as September, in Jefferson, South Carolina, is an agreeable autumn month, with an average temperature varying between 71.4°F (21.9°C) and 54.3°F (12.4°C). Onset of October witnesses a reduction in the average high-temperature, falling from a moderately hot 82.6°F (28.1°C) in September to a pleasant 71.4°F (21.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Jefferson, is another refreshing month, with an average temperature varying between 44.1°F (6.7°C) and 60.4°F (15.8°C). Jefferson's weather changes with the onset of November, slightly falling from an agreeable 71.4°F (21.9°C) in October to a mild 60.4°F (15.8°C). Weather in November »
Weather in December
December, the first month of the winter in Jefferson, is also a fresh month, with an average temperature fluctuating between 54.3°F (12.4°C) and 40.1°F (4.5°C). December brings a slight decrease in temperature, down from a moderate 60.4°F (15.8°C) in November to a fresh 54.3°F (12.4°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Jefferson?
January, known for its average high temperature of 50.2°F (10.1°C) and an average low temperature of 35.2°F (1.8°C), is the coldest month.
What is the least humid month in Jefferson?
January, March, July and November, with an average relative humidity of 71%, are the least humid months in Jefferson, South Carolina.
How many days does it rain in Jefferson?
In Jefferson, South Carolina, during the entire year, the rain falls for 166.4 days and collects up to 33.7" (856mm) of precipitation.
When does it snow in Jefferson?
January through March, November and December are months with snowfall in Jefferson, South Carolina.
How many days does it snow in Jefferson?
In Jefferson, during the entire year, snow falls for 3.8 days and aggregates up to 2.8" (71mm) of snow.
What is the month with the lowest UV index in Jefferson?
With an average maximum UV index of 2, January is the month with the lowest UV index.
When does it snow the most in Jefferson?
The month with the most snowfall is February, when snow falls for 1.4 days and typically aggregates up to 1.34" (34mm) of snow.
When is Daylight Saving Time (DST) in Jefferson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Jefferson, South Carolina, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Jefferson?
In Jefferson, South Carolina, snow does not fall in April through October.
What is the most humid month in Jefferson?
May and December, with an average relative humidity of 75%, are most humid months.
When are the longest days in Jefferson?
With an average of 14h and 24min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Jefferson?
The months with the highest UV index in Jefferson are June and July, with an average maximum UV index of 7.
What month is the hottest in Jefferson?
In Jefferson, South Carolina, temperatures reach their average annual highs in July, measuring 90.1°F (32.3°C) and a minimum average of 72°F (22.2°C).
What month has the most sunshine in Jefferson?
The month with the most sunshine is July, with an average of 10.9h of sunshine.
What is the rainiest month in Jefferson?
August is the month with the most rainfall in Jefferson. Rain falls for 16.9 days and accumulates 3.54" (90mm) of precipitation.
What is the driest month in Jefferson?
October is the month with the least rainfall in Jefferson. Rain falls for 9.5 days and accumulates 2.17" (55mm) of precipitation.
What is the month with the shortest days in Jefferson?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
What is the month with the least sunshine in Jefferson?
The month with the least sunshine is December, with an average of 5.5h of sunshine.
Average temperature
Jefferson, SC
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.2°F).
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure
Jefferson, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Jefferson, SC
- Average wind speed in January:
7.5mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.7mph - Average wind speed in December:
6.9mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Jefferson, SC
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are January, March, July and November (71%).
Average rainfall
Jefferson, SC
- Average rainfall in January:
2.36" - Average rainfall in February:
2.4" - Average rainfall in March:
2.68" - Average rainfall in April:
2.87" - Average rainfall in May:
3.07" - Average rainfall in June:
2.83"
- Average rainfall in July:
3.11" - Average rainfall in August:
3.54" - Average rainfall in September:
2.68" - Average rainfall in October:
2.17" - Average rainfall in November:
2.56" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days
Jefferson, SC
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
14.7 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is October (9.5 days).
Average snowfall
Jefferson, SC
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Jefferson, SC
- Average snowfall days in January:
1.2 days - Average snowfall days in February:
1.4 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.4 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Jefferson, SC
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Jefferson, SC
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
11 days - Average sunshine days in September:
15 days - Average sunshine days in October:
20.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index
Jefferson, SC
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Jefferson, SC
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Jefferson, SC
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Jefferson, South Carolina, USA
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